<!DOCTYPE html>

<html lang="en">
    <head>
        <meta charset="UTF-8">
        <link href="font-awesome-4.7.0/css/font-awesome.min.css" rel="stylesheet">
        <title>百度一下，你就知道</title>
        <style type="text/css">
            #head{         /*总体修饰 */
                height: 100%;
                min-height: 600px;
                text-align: center;
            }
            #form{          /*修饰表单*/
                width: 640px;
                height: 37px;
                border: 1px solid #3385ff;
                overflow: hidden;
                margin: 20px auto;
                padding: 0px;
            }
            #wd{           /* 修饰输入框 */
                border: none;
                height:100%;
                width: 500px;
                float: left;
                outline: none;
            }
            #wrapper{  /*限制图片的展示范围*/
                border: none;
                width: 40px;
                height: 100%;
                float: left;
                margin: 0;
            }
            #search{  /* 搜索图片 */
                border: none;
                height: 16px;
                width: 18px;
                margin:10px auto;
                background:url("camera.png") no-repeat;
            }
            #btn{
                border: none;
                background-color: #3385ff;
                width: 100px;
                height: 100%;
                float: right;
                margin: 0;
                color: white;
                font-size: 15px;
            }
        </style>
    </head>
    <body>
        <div id="head">
            <div class="image">
                <img src="baidu.png" width="270px" height="129px" title="百度一下，你就知道">
            </div>
            <form action="https://www.baidu.com/s">
                <div id="form">
                    <input type="text" name="wd" id="wd" autocomplete="off" >
                    <div id="wrapper"><div id="search"></div></div>
                    <input type="submit" value="百度一下" id="btn">
                </div>
            </form>
        </div>
    </body>
</html>